import { SortedPatchList } from "./sorted-patch-list";
export interface HistoryEntry {
    time_utc: Date;
    account_id: string;
    patch?: any[];
    patch_length?: number;
}
export interface HistoryExportOptions {
    patches?: boolean;
    patch_lengths?: boolean;
}
export declare function export_history(account_ids: string[], patch_list: SortedPatchList, options: HistoryExportOptions): HistoryEntry[];